new Twitch.Player(“twitch-embed”, {
width: “729”,
height: “410”,
autoplay:“true”,
channel: “subhamastulive1”,
allowfullscreen: true,
});
Add an explicit allowfullscreen to be true.
The default is for “true” so I think you are probably using wix or something, and the “full screen” permission is missing from the nested iFrames that are in the stack